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Fig. 7 | Biotechnology for Biofuels

Fig. 7

From: Construction of consolidated bio-saccharification biocatalyst and process optimization for highly efficient lignocellulose solubilization

Fig. 7

Influence of substrate load on SPS saccharification with or without substrate feeding. “4 + 4” with 40 g/L initial substrate and 40 g/L SPS was supplemented at 6th day; “8”, 80 g/L SPS was supplemented to initiate a batch saccharification process; “4 + 2 + 2” with 40 g/L or 20 g/L initial substrate and 20 g/L SPS were subsequently added at the 6th and 12th day; “2 + 2 + 2”, with initial substrate and 20 g/L SPS were added at the 6th and 12th day. The inoculum size was 1%. The saccharification process was divided into two or three phases based on the time points of substrate feeding (indicated by arrows with corresponding colors). The slopes and R2 values of the linear trend lines were calculated for all phases, and are shown in the table. The slope values stand for the sugar production rates (g/L/day). Three independent experiments were performed to determine the average values and standard errors

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